[Nexus 4 Q&A, Help & Troubleshooting] shenery:
Log cat.

------ beginning of /dev/log/main

I/dalvikvm( 7760): Turning on JNI app bug workarounds for target SDK version 11...

D/dalvikvm( 7760): GC_CONCURRENT freed 91K, 2% free 9156K/9272K, paused 2ms+3ms, total 24ms

W/InputEventReceiver( 7760): Attempted to finish an input event but the input event receiver has already been disposed.

W/InputEventReceiver( 7760): Attempted to finish an input event but the input event receiver has already been disposed.

W/InputEventReceiver( 7760): Attempted to finish an input event but the input event receiver has already been disposed.

D/dalvikvm( 7760): GC_CONCURRENT freed 192K, 3% free 9349K/9568K, paused 1ms+4ms, total 38ms

W/InputEventReceiver( 7760): Attempted to finish an input event but the input event receiver has already been disposed.

D/dalvikvm( 7760): GC_FOR_ALLOC freed 265K, 5% free 9435K/9836K, paused 16ms, total 17ms

I/dalvikvm-heap( 7760): Grow heap (frag case) to 9.387MB for 159760-byte allocation

D/dalvikvm( 7760): GC_FOR_ALLOC freed <1K, 5% free 9591K/9996K, paused 16ms, total 16ms

D/dalvikvm( 7760): GC_FOR_ALLOC freed <1K, 5% free 9591K/9996K, paused 16ms, total 16ms

I/dalvikvm-heap( 7760): Grow heap (frag case) to 9.540MB for 159760-byte allocation

D/dalvikvm( 7760): GC_FOR_ALLOC freed <1K, 5% free 9747K/10156K, paused 13ms, total 13ms

D/dalvikvm( 7760): GC_FOR_ALLOC freed <1K, 5% free 9748K/10156K, paused 14ms, total 14ms

I/dalvikvm-heap( 7760): Grow heap (frag case) to 9.693MB for 159760-byte allocation

D/dalvikvm( 7760): GC_FOR_ALLOC freed <1K, 4% free 9904K/10316K, paused 13ms, total 13ms

D/dalvikvm( 7760): GC_FOR_ALLOC freed <1K, 4% free 9905K/10316K, paused 14ms, total 14ms

I/dalvikvm-heap( 7760): Grow heap (frag case) to 9.846MB for 159760-byte allocation

D/dalvikvm( 7760): GC_FOR_ALLOC freed <1K, 4% free 10061K/10476K, paused 13ms, total 13ms

D/dalvikvm( 7760): GC_FOR_ALLOC freed <1K, 4% free 10061K/10476K, paused 13ms, total 13ms

I/dalvikvm-heap( 7760): Grow heap (frag case) to 9.999MB for 159760-byte allocation

D/dalvikvm( 7760): GC_FOR_ALLOC freed <1K, 4% free 10217K/10636K, paused 14ms, total 14ms

D/dalvikvm( 7760): GC_FOR_ALLOC freed <1K, 4% free 10218K/10636K, paused 13ms, total 13ms

I/dalvikvm-heap( 7760): Grow heap (frag case) to 10.152MB for 159760-byte allocation

D/dalvikvm( 7760): GC_FOR_ALLOC freed <1K, 4% free 10374K/10796K, paused 13ms, total 13ms

D/dalvikvm( 7760): GC_FOR_ALLOC freed 153K, 6% free 10243K/10796K, paused 13ms, total 13ms

I/dalvikvm-heap( 7760): Grow heap (frag case) to 10.151MB for 133968-byte allocation

D/dalvikvm( 7760): GC_FOR_ALLOC freed 1K, 6% free 10372K/10928K, paused 14ms, total 14ms

D/dalvikvm( 7760): GC_FOR_ALLOC freed 158K, 7% free 10215K/10928K, paused 18ms, total 18ms

D/dalvikvm( 7760): GC_FOR_ALLOC freed 158K, 7% free 10188K/10928K, paused 13ms, total 13ms

D/dalvikvm( 7760): GC_FOR_ALLOC freed 156K, 7% free 10163K/10928K, paused 14ms, total 14ms

D/dalvikvm( 7760): GC_FOR_ALLOC freed 156K, 7% free 10250K/10928K, paused 11ms, total 11ms

I/dalvikvm-heap( 7760): Grow heap (frag case) to 10.268MB for 248784-byte allocation

D/dalvikvm( 7760): GC_FOR_ALLOC freed <1K, 7% free 10493K/11172K, paused 12ms, total 12ms

D/dalvikvm( 7760): GC_FOR_ALLOC freed 156K, 8% free 10338K/11172K, paused 11ms, total 11ms

D/dalvikvm( 7760): GC_FOR_ALLOC freed 156K, 7% free 10425K/11172K, paused 12ms, total 12ms

D/dalvikvm( 7760): GC_FOR_ALLOC freed 156K, 7% free 10400K/11172K, paused 12ms, total 12ms

D/dalvikvm( 7760): GC_FOR_ALLOC freed 145K, 6% free 10514K/11172K, paused 16ms, total 16ms

D/dalvikvm( 7760): GC_FOR_ALLOC freed 134K, 7% free 10463K/11172K, paused 15ms, total 15ms

I/dalvikvm-heap( 7760): Grow heap (frag case) to 10.391MB for 159760-byte allocation

D/dalvikvm( 7760): GC_FOR_ALLOC freed <1K, 7% free 10619K/11332K, paused 13ms, total 13ms

D/dalvikvm( 7760): GC_FOR_ALLOC freed 131K, 8% free 10489K/11332K, paused 13ms, total 13ms

D/dalvikvm( 7760): GC_FOR_ALLOC freed 243K, 9% free 10402K/11332K, paused 11ms, total 11ms

D/dalvikvm( 7760): GC_FOR_ALLOC freed 486K, 10% free 10229K/11332K, paused 12ms, total 12ms

D/dalvikvm( 7760): GC_CONCURRENT freed 374K, 9% free 10323K/11332K, paused 2ms+2ms, total 14ms

W/IInputConnectionWrapper( 7760): showStatusIcon on inactive InputConnection

D/dalvikvm( 7760): GC_CONCURRENT freed 1200K, 16% free 9520K/11332K, paused 4ms+2ms, total 24ms

D/dalvikvm( 7760): WAIT_FOR_CONCURRENT_GC blocked 11ms

D/dalvikvm( 7760): GC_FOR_ALLOC freed 34K, 13% free 9955K/11332K, paused 17ms, total 17ms

D/dalvikvm( 7760): GC_CONCURRENT freed <1K, 9% free 10423K/11332K, paused 2ms+2ms, total 19ms

D/dalvikvm( 7760): WAIT_FOR_CONCURRENT_GC blocked 15ms

D/dalvikvm( 7760): GC_CONCURRENT freed <1K, 4% free 10892K/11332K, paused 3ms+2ms, total 27ms

D/dalvikvm( 7760): WAIT_FOR_CONCURRENT_GC blocked 16ms

D/dalvikvm( 7760): GC_FOR_ALLOC freed <1K, 4% free 11048K/11492K, paused 19ms, total 19ms

D/dalvikvm( 7760): GC_FOR_ALLOC freed <1K, 4% free 11361K/11812K, paused 16ms, total 16ms

D/dalvikvm( 7760): GC_FOR_ALLOC freed <1K, 4% free 11673K/12132K, paused 17ms, total 17ms

D/dalvikvm( 7760): GC_FOR_ALLOC freed <1K, 4% free 12142K/12612K, paused 14ms, total 14ms

D/dalvikvm( 7760): GC_FOR_ALLOC freed 476K, 7% free 12403K/13268K, paused 15ms, total 16ms

D/dalvikvm( 7760): GC_FOR_ALLOC freed 513K, 7% free 12615K/13516K, paused 13ms, total 13ms

W/InputEventReceiver( 7760): Attempted to finish an input event but the input event receiver has already been disposed.